The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2011
Filed:
Apr. 16, 2010
Applicants:
James Kundinger, Auburn, MI (US);
Steve Keeley, Claire, MI (US);
Inventors:
James Kundinger, Auburn, MI (US);
Steve Keeley, Claire, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 51/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A platen drive system and method of leveling platens in a forming station of a twin sheet thermoforming machine in which each platen is driven vertically by four independently operated drive units, each having an electric servo motor, the drive units arranged in two sub sets disposed on opposite sides of an associated platen. The platen is leveled during set up by individual operation of the servo motors.